FR21616E - Perfectionnements au mécanisme de commande des mouvements d'horlogerie - Google Patents

Perfectionnements au mécanisme de commande des mouvements d'horlogerie

Info

Publication number
FR21616E
FR21616E FR21616A FR21616DA FR21616E FR 21616 E FR21616 E FR 21616E FR 21616 A FR21616 A FR 21616A FR 21616D A FR21616D A FR 21616DA FR 21616 E FR21616 E FR 21616E
Authority
FR
France
Prior art keywords
control mechanism
watch movements
watch
movements
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR21616A
Other languages
English (en)
Inventor
Frank Holden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR21616E publication Critical patent/FR21616E/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
    • G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR21616A 1919-08-26 1919-08-26 Perfectionnements au mécanisme de commande des mouvements d'horlogerie Expired FR21616E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR21616T 1919-08-26

Publications (1)

Publication Number Publication Date
FR21616E true FR21616E (fr) 1921-01-10

Family

ID=8660621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR21616A Expired FR21616E (fr) 1919-08-26 1919-08-26 Perfectionnements au mécanisme de commande des mouvements d'horlogerie

Country Status (1)

Country Link
FR (1) FR21616E (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2883827A (en) * 1953-08-04 1959-04-28 Elgin Nat Watch Co Electrically actuated horological instrument
US2952117A (en) * 1956-02-10 1960-09-13 Hamilton Watch Co Balance wheel for electric wrist watches
US3058292A (en) * 1957-06-07 1962-10-16 Hamilton Watch Co Balance wheel coil mounting assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2883827A (en) * 1953-08-04 1959-04-28 Elgin Nat Watch Co Electrically actuated horological instrument
US2952117A (en) * 1956-02-10 1960-09-13 Hamilton Watch Co Balance wheel for electric wrist watches
US3058292A (en) * 1957-06-07 1962-10-16 Hamilton Watch Co Balance wheel coil mounting assembly

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